package com.prp.db.daoimpl.mysql;

import java.sql.SQLException;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;

import com.prp.db.idao.ICommunityDAO;
import com.prp.db.po.Community;

/**
 * A data access object (DAO) providing persistence and search support for
 * Community entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see com.prp.db.daoimpl.mysql.Community
 * @author MyEclipse Persistence Tools
 */

public class CommunityDAO extends BaseHibernateDAO implements ICommunityDAO{
	private static final Log log = LogFactory.getLog(CommunityDAO.class);
	// property constants
	public static final String COMMUNITY_NAME = "communityName";

	public void save(Community transientInstance) {
		log.debug("saving Community instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Community persistentInstance) {
		log.debug("deleting Community instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Community findById(java.lang.Integer id) {
		log.debug("getting Community instance with id: " + id);
		try {
			Community instance = (Community) getSession().get(
					Community.class, id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Community instance) {
		log.debug("finding Community instance by example");
		try {
			List results = getSession().createCriteria(
					"com.prp.db.daoimpl.mysql.Community").add(
					Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Community instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Community as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByCommunityName(Object communityName) {
		return findByProperty(COMMUNITY_NAME, communityName);
	}

	public List findAll() {
		log.debug("finding all Community instances");
		try {
			String queryString = "from Community";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Community merge(Community detachedInstance) {
		log.debug("merging Community instance");
		try {
			Community result = (Community) getSession().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Community instance) {
		log.debug("attaching dirty Community instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Community instance) {
		log.debug("attaching clean Community instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
	
	public void cleanAll(){
		String sql = "truncate `communication_platform`.`community`";
		java.sql.Connection conn = getSession().connection();
		try {
			java.sql.Statement state = conn.createStatement(); 
			state.executeQuery(sql);
			conn.close();
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} 
	}
	
	public static void main(String[] args){
		CommunityDAO dao = new CommunityDAO();
		Community c = new Community();
		c.setCommunityId(0);
		c.setCommunityName("0");
		dao.save(c);
	}
}